| Metso LT120 Track Jaw Crusher #2Chester, PANear Glen MillsMSHA 3610417 | Construction Sand and GravelSurface | AbandonedStatus date: 04/20/2023 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| METSO LT1213 S/N 72819Northumberland, PANear ElysburgMSHA 3610397 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 07/05/2023 | Contract Crushing / Construction IncReported operatorWilliam E CorsonReported controller | Production / employmentSafety recordsView source coverage → |
| METSO LT300HP CONE SN#78787Chester, PANear DowningtonMSHA 3610393 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 02/26/2024 | Siri Contracting LLCReported operatorTheodore H Siri IIIReported controller | Production / employmentSafety recordsView source coverage → |
| Metso LT300 Serial # 182237Delaware, PANear Glen MillsMSHA 3610462 | Crushed, Broken TraprockSurface | AbandonedStatus date: 04/14/2025 | Siri Contracting, LLCReported operatorTheodore H Siri IIIReported controller | Neither history importedView source coverage → |
| Metso ST 272 S/N R2721468Centre, PANear Pleasant GapMSHA 3610058 | Dimension Stone NECSurface | AbandonedStatus date: 11/30/2015 | Glenn O HawbakerReported operatorDaniel R HawbakerReported controller | Production / employmentSafety recordsView source coverage → |
| Metzinger BreakerSchuylkill, PANear AshlandMSHA 3605511 | Coal (Anthracite)Facility | AbandonedStatus date: 03/11/1986 | Metzinger Coal CompanyReported operatorDonald MetzingerReported controller | Neither history importedView source coverage → |
| Metz StripWashington, PANear BentleyvilleMSHA 3605110 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | Penn Sherman CorpReported operatorMetz CharlesReported controller | Production / employmentView source coverage → |
| M E Wallace Company PlantNorthumberland, PANear SunburyMSHA 3603258 | Coal (Anthracite)Facility | AbandonedStatus date: 06/21/1991 | M E Wallace CompanyReported operatorZerbe James AReported controller | Neither history importedView source coverage → |
| Meyer QuarrySusquehanna, PANear LanesboroMSHA 3610078 | Dimension SandstoneSurface | AbandonedStatus date: 11/19/2018 | B & D StoneReported operatorDavid T Baker; Michael D DeckerReported controller | Production / employmentSafety recordsView source coverage → |
| Meyersdale Preparation PlantSomerset, PANear MeyersdaleMSHA 3606048 | Coal (Bituminous)Facility | AbandonedStatus date: 11/04/1996 | Delta Coal Sales IncReported operatorDelta Industries IncReported controller | Neither history importedView source coverage → |
| M G S Strip No 1Northumberland, PANear Marion HeightsMSHA 3606519 | Coal (Anthracite)Surface | AbandonedStatus date: 09/14/1984 | Michael G Sosnoski Coal CompanyReported operatorSosnoski Michael GReported controller | Neither history importedView source coverage → |
| M H Bigan StripCambria, PAMSHA 3604273 | Coal (Bituminous)Surface | AbandonedStatus date: 07/28/1980 | M H Bigan Coal CompanyReported operatorBigan M HReported controller | Neither history importedView source coverage → |
| M H Bigan Strip Mine #2Somerset, PAMSHA 3606367 | Coal (Bituminous)Surface | AbandonedStatus date: 06/02/1980 | M H Bigan Coal CompanyReported operatorBigan M HReported controller | Neither history importedView source coverage → |
| MHW Crushing LLCWyoming, PANear NicholsonMSHA 3610320 | Dimension SandstoneSurface | AbandonedStatus date: 07/25/2022 | MHW Crushing LLCReported operatorMatthew H WilliamsReported controller | Production / employmentSafety recordsView source coverage → |
| Micale No 1 Strip MineElk, PANear CaledoniaMSHA 3604382 | Coal (Bituminous)Surface | AbandonedStatus date: 12/02/1980 | Sky Haven Coal IncReported operatorJoseph A OwensReported controller | Neither history importedView source coverage → |
| Michael G SosnoskiNorthumberland, PANear Coal RunMSHA 3608468 | Coal (Anthracite)Surface | AbandonedStatus date: 06/23/1994 | Michael G Sosnoski Coal CompanyReported operatorSosnoski Michael GReported controller | Production / employmentView source coverage → |
| Michael LePreSusquehanna, PANear BrooklynMSHA 3609627 | Dimension Stone NECSurface | AbandonedStatus date: 10/19/2009 | Michael LePreReported operatorMichael D LePreReported controller | Production / employmentSafety recordsView source coverage → |
| Michael StripFayette, PAMSHA 3604865 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | Michael Coal CompanyReported operatorPalone ArthurReported controller | Neither history importedView source coverage → |
| Michael Zurkan JrWarren, PAMSHA 3607811 | Construction Sand and GravelSurface | AbandonedStatus date: 07/11/1996 | Michael Zurkan JrReported operatorZurkan Michael JrReported controller | Neither history importedView source coverage → |
| MiddleburyTioga, PANear ?MSHA 3605599 | Construction Sand and GravelSurface | AbandonedStatus date: 09/17/1990 | Earl F Dean IncReported operatorRonald E Dean JrReported controller | Neither history importedView source coverage → |
| Middle Creek Quarry IncWayne, PANear HonesdaleMSHA 3609146 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 05/10/2016 | Middle Creek Quarry Inc LLCReported operatorGeorge C Cabel; Janet CabelReported controller | Production / employmentSafety recordsView source coverage → |
| Middleport MineSchuylkill, PANear MiddleportMSHA 3608531 | Coal (Anthracite)Surface | AbandonedStatus date: 07/21/1997 | W & W Construction CompanyReported operatorWalacavage JosephReported controller | Production / employmentView source coverage → |
| Middle Split SlopeSchuylkill, PAMSHA 3601828 | Coal (Anthracite)Underground | AbandonedStatus date: 03/08/1976 | Erdman Brothers Coal CompanyReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Middle Split SlopeSchuylkill, PAMSHA 3601852 | Coal (Anthracite)Underground | AbandonedStatus date: 03/20/1978 | Hatter Coal CompanyReported operatorJacques E HatterReported controller | Neither history importedView source coverage → |
| Middle Split SlopeSchuylkill, PAMSHA 3601917 | Coal (Anthracite)Underground | AbandonedStatus date: 04/24/1978 | Wilson Coal CompanyReported operatorWilson Coal CompanyReported controller | Neither history importedView source coverage → |
| Middle Split SlopeSchuylkill, PAMSHA 3601985 | Coal (Anthracite)Underground | AbandonedStatus date: 10/04/1971 | S + W Coal CompanyReported operatorS + W Coal CompanyReported controller | Neither history importedView source coverage → |
| Middle Split SlopeSchuylkill, PANear Joliett TremontMSHA 3607896 | Coal (Anthracite)Underground | Abandoned and SealedStatus date: 12/05/1991 | East Franklin Coal CompanyReported operatorLarry MadenfordReported controller | Neither history importedView source coverage → |
| M I Desi MineSusquehanna, PANear SpringvilleMSHA 3610040 | Dimension Stone NECSurface | AbandonedStatus date: 04/24/2014 | J W FlagstoneReported operatorJoel M WelchReported controller | Production / employmentSafety recordsView source coverage → |
| Midland Surface MineWashington, PANear HoustonMSHA 3608192 | Coal (Bituminous)Surface | AbandonedStatus date: 07/16/1992 | Victor Dosse Contracting IncReported operatorDosse VictorReported controller | Neither history importedView source coverage → |
| Mid-Penn TippleClearfield, PAMSHA 3606525 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | Avery Coal Company IncReported operatorBav Liquidating CorpReported controller | Neither history importedView source coverage → |